It is no secret that the craft of writing, scientific or otherwise, takes practice. Some folks of course write better than others, but this skill is not usually without a hefty helping of rough drafts,

Yesterday I wrote about how rocks layers are aged. After rock layers are lined up and put in relative order, they are dated radiometrically to get their age in years. Terrestrial rocks are difficult to

Tomorrow I’ll post an interview with Dr. Randall Irmis, a geologist and paleobiologist working on the Colorado Plateau Coring Project. Today, I offer some background information on the geologic time scale and why it is

Sign up for PLOS Updates

Thank you!

There’s just one more thing. Please check your inbox to verify your email.